Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1994_334_2_a5, author = {V. I. Zubov}, title = {Potential systems of differential equations}, journal = {Doklady Akademii Nauk}, pages = {148--149}, publisher = {mathdoc}, volume = {334}, number = {2}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1994_334_2_a5/} }
V. I. Zubov. Potential systems of differential equations. Doklady Akademii Nauk, Tome 334 (1994) no. 2, pp. 148-149. http://geodesic.mathdoc.fr/item/DAN_1994_334_2_a5/